qcam: Provide save image functionality

Implement a save image button on the toolbar which will take a current
viewfinder image and present the user with a QFileDialog to allow them
to choose where to save the image.

Utilise the QImageWriter to perform the output task.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/qcam/main_window.h b/src/qcam/main_window.h
index 27ceed61..40aa10aa 100644
--- a/src/qcam/main_window.h
+++ b/src/qcam/main_window.h
@@ -49,6 +49,8 @@ private Q_SLOTS:
 	int startCapture();
 	void stopCapture();
 
+	void saveImageAs();
+
 private:
 	int createToolbars();
 	std::string chooseCamera();